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  1. Thread: Vaccum Pump

    by ScottBeck
    Replies
    28
    Views
    2,434

    Apion makes a great vacuum pump. The 5 sec oil...

    Apion makes a great vacuum pump. The 5 sec oil change is great. They are high dollar but i think they are worth it.
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    4
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    809

    The valves are for isolation. I did see once...

    The valves are for isolation. I did see once where a couple of wires that were ran in the panel held the aux. contacts in as if the compressor was on. When the unit would cycle off the unit would...
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    4
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    819

    Have you taken an oil pressure reading?

    Have you taken an oil pressure reading?
  4. Replies
    17
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    2,377

    .10 amp fuses across the the safteys. Have you...

    .10 amp fuses across the the safteys. Have you taken pressure readings? Coil is clean?
  5. Replies
    19
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    1,643

    Does it have a saftey board on it? The low and...

    Does it have a saftey board on it? The low and high presure switch and one leg of the compressor goes through a current sensor. I have seen those boards short cycle power the the contactor. Its hard...
  6. Replies
    110
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    15,513

    Had Pappy's for the first time last week. St....

    Had Pappy's for the first time last week. St. Louis Boiler had a counter day. I was very impressed.
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    8
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    1,317

    I think most vav boxes need at least 3/4 inch...

    I think most vav boxes need at least 3/4 inch static to work properly. Is there a varitrac panel on site? If you take a magnahelic gauge and hook it to the air transducer on the air entering side of...
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    845

    Thanks for the input guys

    Thanks for the input guys
  9. Replies
    9
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    845

    Ya we tried that but the towers are so dirty and...

    Ya we tried that but the towers are so dirty and cotton wood was a big issue. Let me ask this. The plant has plenty of ammonia. Use the ammonia through a plate and frame heat exchanger and add a...
  10. Replies
    9
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    845

    ammonia compressor head cooling

    A plant we take care of used to have a glycol coil in the cooling tower for cooling the ammonia compressor heads. The coil is bad and they are looking for a way to cool the heads with out replacing...
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